US2424667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Halogenated hydrocarbons
Assignee: EIDP Inc
•
Filing: 1946-04-19
•
Granted: 1947-07-29
•
Expires: 1966-04-19
Abstract
No abstract record available.
Inventors
- 👤 Raasch Maynard Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:05
CPC Classifications
C; C07; C07C; C07C19/00; C07C19/08; C07C19/16; C07C17/00; C07C17/013; C07C17/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-07-28 | 1951-01-27 | 1951-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-28 | 1955-01-27 | 1955-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-28 | 1959-01-27 | 1959-07-29 | $7700.00 | Window Closed / Lapsed |